Project Overview

A large-scale redesign of a 15-year-old corporate website serving 2M+ monthly visitors. The goal was modernizing the experience while preserving SEO equity.

Tech Stack

Astro, Svelte 5, Tailwind CSS, Strapi CMS, Cloudflare Workers

Key Challenges

Migrating 500+ pages without breaking existing SEO rankings. Implementing a gradual rollout strategy with feature flags to ensure the old and new sites could coexist during transition.

The legacy CMS had deeply嵌套自定义字段, requiring an extensive data migration pipeline.

Results

42% improvement in Lighthouse performance score (32 → 89). Core Web Vitals all in green zone. Organic traffic increased 28% within 3 months of launch.

Team Size

6 engineers, 2 designers, 1 PM — delivered in 4 months